Finding the Fourth Proportional to 16,072.20, 24,104.42 and 4,385.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.20 : 24,104.42 = 4,385.48 : x
2. Step 2: Convert to fraction form
   16,072.20/24,104.42 = 4,385.48/x
3. Step 3: Cross multiply
   16,072.20x = 24,104.42 × 4,385.48
4. Step 4: Simplify right side
   16,072.20x = 105,709,451.82
5. Step 5: Solve for x
   x = 105,709,451.82/16,072.20
6. Step 6: Final answer
   x = 6,577.16